In situ atomic-scale observation of inhomogeneous oxide reduction

Chen, Xiaobo; Wu, Dongxiang; Zou, Lianfeng; Yin, Qiyue; Zhang, Hanlei; Zakharov, Dmitri N.; Stach, Eric A.; Zhou, Guangwen

doi:10.1039/C8CC03822H

Title: In situ atomic-scale observation of inhomogeneous oxide reduction

Journal Article · Mon Jun 11 00:00:00 EDT 2018 · ChemComm

DOI:https://doi.org/10.1039/C8CC03822H· OSTI ID:1476762

^[1]; Wu, Dongxiang ^[1]; Zou, Lianfeng ^[1];

^[1]; Zhang, Hanlei ^[1];

^[2];

^[3];

^[1]

State Univ. of New York at Binghamton, Binghamton, NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States)
Univ. of Pennsylvania, Philadelphia, PA (United States)

Here, we report in situ atomic-scale transmission electron microscopy observations of the surface dynamics during Cu₂O reduction. We show inhomogeneous oxide reduction caused by the preferential adsorption of hydrogen at step edges that induces oxygen loss and destabilizes Cu atoms within the step edge, thereby resulting in the retraction motion of atomic steps at the oxide surface.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: SC0012704; SC0001135

OSTI ID:: 1476762

Alternate ID(s):: OSTI ID: 1454633

Report Number(s):: BNL-209150-2018-JAAM; CHCOFS

Journal Information:: ChemComm, Vol. 54, Issue 53; ISSN 1359-7345

Publisher:: Royal Society of ChemistryCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 8 works

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Cited By (2)

Laser Synthesis of Iridium Nanospheres for Overall Water Splitting Wang, Hai-Bin; Wang, Jia-Qi; Mintcheva, Neli Materials, Vol. 12, Issue 18 https://doi.org/10.3390/ma12183028	journal	September 2019
Surface-reaction induced structural oscillations in the subsurface Sun, Xianhu; Zhu, Wenhui; Wu, Dongxiang Nature Communications, Vol. 11, Issue 1 https://doi.org/10.1038/s41467-019-14167-1	journal	January 2020

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36 MATERIALS SCIENCE
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